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HDU 1548 A strange lift【BFS】
题意:给出一个电梯,给出它的层数f,给出起点s,终点g,以及在每一层能够上或者下w[i]层,问至少需要按多少次按钮到达终点。和POJ catch that cow一样,直接用了那一题的代码,发现一直wa,后来才发现,POJ catch that cow是单组输入的,所以每次调用的时候不用清空队列,而...
分类:其他好文   时间:2015-02-12 10:39:13    阅读次数:164
静态内部类的细节
public class Cow{ private double weight; //外部类的两个重载的构造器 public Cow(){} public Cow(double weight){this.weight=weight;} } //定义一个非静态的内部类 private classCowLeg{ //非讲台内部类的两个Field private double leng...
分类:其他好文   时间:2015-02-10 13:28:01    阅读次数:178
POJ 3281 Dining(最大流dinic&&SAP)
Description Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others. Farmer John has cooked fabulous meals for his cows, but he forgo...
分类:其他好文   时间:2015-02-10 00:40:03    阅读次数:261
POJ 3728 Catch That Cow
DescriptionFarmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a pointN(0 ≤N≤ 100,000) on...
分类:其他好文   时间:2015-02-09 17:53:28    阅读次数:127
POJ 3279 Fliptile
Fliptile Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 3810   Accepted: 1457 Description Farmer John knows that an intellectually satisfied cow is a happy ...
分类:其他好文   时间:2015-02-09 16:02:14    阅读次数:143
POJ 3278 Catch That Cow
Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 51447   Accepted: 16134 Description Farmer John has been informed of the location of a fugitiv...
分类:其他好文   时间:2015-02-09 12:57:17    阅读次数:133
POJ 3278 Catch That Cow
简单搜索。...
分类:其他好文   时间:2015-02-06 09:40:10    阅读次数:171
【转】Linux写时拷贝技术(copy-on-write)
http://www.cnblogs.com/biyeymyhjob/archive/2012/07/20/2601655.html源于网上资料COW技术初窥: 在Linux程序中,fork()会产生一个和父进程完全相同的子进程,但子进程在此后多会exec系统调用,出于效率考虑,linux中引入了“...
分类:系统相关   时间:2015-02-04 18:25:42    阅读次数:190
POJ2375 Cow Ski Area【Tarjan】【强连通分量】
题目大意: 有一片供奶牛滑雪的滑雪场,可供滑雪的区域是W(宽)*L(长)的矩阵。上边有W*L个点。规定 奶牛从一个点只能向它上、下、左、右相邻的并且高度不大于它的点运动。现在想要在某些 点对之间架设缆车,使得奶牛可以从较低的地方想较高的地方运动,那么问题来了:最少需 要多少辆这样的缆车就可以使奶牛从每个点运动到可供滑雪区域的每个角落。 思路: 把奶牛符合从点u移动到点v的条件当做一条单向边。那么所有点和边就可以构成有向图。根 据奶牛可以从点u移动到邻近并且高度不大于它的点v,可以分为两种情况:(1)点v比...
分类:其他好文   时间:2015-02-04 13:03:57    阅读次数:114
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